CN210115377U

CN210115377U - Structure for deburring reverse R angle of progressive die

Info

Publication number: CN210115377U
Application number: CN201920589303.XU
Authority: CN
Inventors: 项磊
Original assignee: Shanghai Huichong Precision Machinery Manufacturing Co Ltd
Current assignee: Shanghai Huichong Precision Machinery Manufacturing Co Ltd
Priority date: 2019-04-27
Filing date: 2019-04-27
Publication date: 2020-02-28
Anticipated expiration: 2029-04-27

Abstract

The utility model discloses a structure of die-sinking of falling R angle of mould upgrades, the die holder comprises a die holder, the top of die holder is connected with the lower bolster, the top of lower bolster is provided with the die board, the inside of die board is provided with the holding tank, chamfer drift splint have been placed to the inside of holding tank, one side of chamfer drift splint is provided with the kicking block clamp plate, the opposite side of chamfer drift splint is provided with the falling R angle drift, the top that has the falling R angle drift is provided with takes off the flitch, the inside of die holder is provided with the mounting groove, the internally mounted of mounting groove has vertical buffer spring. The utility model provides a current 90 degrees conical surface chamfers on the mould that upgrades, the burr has fallen the aperture size and has become little, so will use R angle chamfer mode, can satisfy part size and quality requirement simultaneously again, greatly reduced manufacturing cost and improvement production progress have avoided the reworking of product and have scrapped.

Description

Structure for deburring reverse R angle of progressive die

Technical Field

The utility model relates to a mould technical field upgrades, especially relates to a structure of upgrading chamfer burring of mould.

Background

At present, the existing progressive stamping die industry has a lot of holes punched without chamfers, so that the assembly problem of a lot of products is influenced by burrs too much in the installation and use processes, the burrs cause abrasion and scratch on the surfaces between the products and the products, and the chamfer is 90-degree inclined chamfer. The problems can cause rework maintenance of products and even product scrapping, and a structure for deburring the reverse R corner of the progressive die is designed for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a structure for deburring a reverse R angle of a progressive die.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a structure of die holder's burring of chamfer angle upgrades mould, includes the die holder, the top of die holder is connected with the lower bolster, the top of lower bolster is provided with the die board, the inside of die board is provided with the holding tank, chamfer drift splint have been placed to the inside of holding tank, one side of chamfer drift splint is provided with the kicking block clamp plate, the opposite side of chamfer drift splint is provided with chamfer angle drift, the top that has chamfer angle drift is provided with takes off the flitch, the inside of die holder is provided with the mounting groove, the internally mounted of mounting groove has vertical buffer spring, buffer spring's top is connected with vertical ejector pin, the die board is run through at the top of ejector pin to the internally connected with that extends the holding tank presses the material kicking block.

Preferably, the top of ejector pin extends to the internal connection of mounting groove and has the stopper, stopper and buffer spring fixed connection.

Preferably, the inside of lower bolster is provided with the spout with ejector pin looks adaptation.

Preferably, the top of the reverse R-shaped punch is of a convex structure, and a hole groove matched with the top of the reverse R-shaped punch is formed in the stripper plate.

Preferably, the product body is placed to the material floating block, be provided with on the product body with the top looks adaptation of chamfer drift punch hole.

Preferably, the outer side of the stripper plate is connected with a press machine.

Compared with the prior art, the beneficial effects of the utility model are that: the other side of the chamfering punch clamp plate is provided with a chamfering punch, a stripper plate is arranged above the chamfering punch, so that when the chamfering punch clamp plate is used, the chamfering punch clamp plate is pressed to a material pressing floating block by a product body to continuously move downwards, the chamfering punch begins to contact with an upper punched hole punched on the product body, the product body contacts with the material pressing floating block to continuously move downwards, so that the straight surface of the chamfering punch begins to move upwards until an R angle contacts with the bottom surface of burr of the product body, the product body begins to plastically deform to extrude the R angle to remove the burr until the R angle contacts with the product body, the aperture of the product after chamfering cannot be reduced, and the burr is removed;

the utility model provides a current 90 degrees conical surface chamfers on the mould that upgrades, the burr has fallen the aperture size and has become little, so will use R angle chamfer mode, can satisfy part size and quality requirement simultaneously again, greatly reduced manufacturing cost and improvement production progress have avoided the reworking of product and have scrapped.

Drawings

Fig. 1 is a schematic structural view of a structure for deburring a reverse R corner of a progressive die according to the present invention;

fig. 2 is the utility model provides a progressive die's the downward drawing of taking off the flitch of structure of the burring of chamfer angle.

In the figure: the die comprises a stripper plate 1, a pressing floating block 2, a chamfering punch 3, a floating block pressing plate 4, a chamfering punch clamping plate 5, a concave die plate 6, a lower backing plate 7, an ejector rod 8 and a die holder 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a deburring structure for a reverse R corner of a progressive die comprises a die holder 9, a lower backing plate 7 is connected to the top of the die holder 9, a cavity plate 6 is arranged at the top of the lower backing plate 7, an accommodating tank is arranged inside the cavity plate 6, a chamfer punch clamp plate 5 is placed inside the accommodating tank, a floating block press plate 4 is arranged on one side of the chamfer punch clamp plate 5, a reverse R corner punch 3 is arranged on the other side of the chamfer punch clamp plate 5, a stripper plate 1 is arranged above the reverse R corner punch 3, an installation groove is arranged inside the die holder 9, a vertical buffer spring is arranged inside the installation groove, a vertical ejector rod 8 is connected to the top of the buffer spring, the concave plate 6 is penetrated by the top of the ejector rod 8, a material pressing floating block 2 is connected to the inside of the extending accommodating tank, a limiting block is connected to the inside of the installation, the inside of lower bolster 7 is provided with the spout with 8 looks adaptations of ejector pin, and the top of falling R angle drift 3 is convex structure, takes off the hole groove that is provided with on flitch 1 with the top looks adaptation of falling R angle drift 3, presses material kicking block 2 to have placed the product body, is provided with on the product body with the last punching hole of the top looks adaptation of falling R angle drift 3, and the outside of taking off flitch 1 is connected with the press, the utility model provides a 90 degrees conical surface chamfers on the current mould that upgrades, the burr has fallen the aperture size and has become little, so will use R angle chamfer mode, can satisfy part size and required quality simultaneously again, greatly reduced manufacturing cost and improvement production progress, avoided the reworking of product and scrapped.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The working principle is as follows: when the device works, the press machine starts to work downwards, the stripper plate 1 presses the product body downwards, the product body presses the material pressing floating block 2 to continuously run downwards, the reverse R angle punch 3 starts to contact with the upper punched hole punched on the upper punch of the product body, the product body contacts with the material pressing floating block 2 to continuously move downwards, so that the straight surface of the reverse R angle punch 3 starts to move upwards until the R angle contacts with the bottom surface of the burr of the product body, the product body starts to be plastically deformed to extrude the R angle to remove the burr until the R angle product body contacts with the R angle, the aperture of the product after the chamfer is chamfered cannot be reduced, the burr is removed, the product body is assembled without problems, the size requirement of the product is ensured, the aperture size of the product and the reliability of the reverse burr are solved by the design mode, and the production efficiency is greatly improved; the utility model discloses a solved current 90 degrees conical surface chamfers on the mould that upgrades, the burr has fallen the aperture size and has become little, so will use R angle chamfer mode, can satisfy part size and quality requirement simultaneously again, greatly reduced manufacturing cost and improvement production progress have avoided the reworking of product and have scrapped.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The structure for deburring the reverse R angle of the progressive die comprises a die holder (9) and is characterized in that the top of the die holder (9) is connected with a lower backing plate (7), the top of the lower backing plate (7) is provided with a concave die plate (6), an accommodating groove is arranged inside the concave die plate (6), a chamfering punch clamping plate (5) is placed inside the accommodating groove, one side of the chamfering punch clamping plate (5) is provided with a floating block pressing plate (4), the other side of the chamfering punch clamping plate (5) is provided with a reverse R angle punch (3), a stripper plate (1) is arranged above the chamfering punch (3), an installation groove is arranged inside the die holder (9), a vertical buffer spring is installed inside the installation groove, the top of the buffer spring is connected with a vertical ejector rod (8), and the top of the ejector rod (8) penetrates through the concave die plate (6), and the inside of the extending accommodating groove is connected with a material pressing floating block (2).

2. The structure for deburring the chamfered R corner of a progressive die as claimed in claim 1, wherein a stopper is connected to the inside of the top part of the ejector pin (8) extending to the mounting groove, the stopper being fixedly connected with the buffer spring.

3. The structure for deburring at the reverse R angle of a progressive die as claimed in claim 1, wherein the inside of said lower bolster (7) is provided with a slide groove adapted to the ejector pin (8).

4. The structure for deburring the chamfer angle of the progressive die as claimed in claim 1, wherein the top of the chamfer angle punch (3) is a convex structure, and the stripper plate (1) is provided with a hole groove matched with the top of the chamfer angle punch (3).

5. The structure for deburring the chamfered R corner of a progressive die as claimed in claim 1, wherein a product body is placed on the swaging floating block (2), and an upper punch hole adapted to the top of the chamfered R corner punch (3) is provided on the product body.

6. The structure for deburring the reverse R corner of a progressive die as claimed in claim 1, wherein a press is attached to an outer side of the stripper plate (1).